:root {
  color-scheme: dark;
  font-family: "Trebuchet MS", Inter, ui-sans-serif, system-ui, sans-serif;
  background: #101321;
  color: #fff6d8;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 20% 15%, rgba(255, 214, 102, 0.25), transparent 22rem),
    radial-gradient(circle at 85% 10%, rgba(62, 190, 255, 0.26), transparent 20rem),
    linear-gradient(180deg, #151a2d 0%, #22243d 48%, #4a241c 100%);
}

button,
a {
  border: 0;
  border-radius: 999px;
  background: #ffe36b;
  color: #2d2200;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0 1.15rem;
  font: inherit;
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 8px 0 #b8791f;
}

button:active,
a:active {
  transform: translateY(3px);
  box-shadow: 0 5px 0 #b8791f;
}

button:disabled {
  background: #788091;
  box-shadow: 0 5px 0 #444a57;
  color: #d8dde8;
  cursor: not-allowed;
  transform: none;
}

.shell {
  width: min(1220px, calc(100% - 1.5rem));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
  padding: 1rem 0;
}

.hud-panel,
.game-card {
  border: 3px solid rgba(255, 255, 255, 0.22);
  border-radius: 1.5rem;
  background: rgba(11, 16, 32, 0.72);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.38), inset 0 0 0 2px rgba(255, 255, 255, 0.05);
}

.intro {
  padding: clamp(1.25rem, 4vw, 2rem);
}

.eyebrow {
  color: #70d7ff;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: #fff;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  line-height: 0.86;
  text-shadow: 0 6px 0 #6c3d90;
}

.lede {
  color: #f7ddb0;
  font-size: 1.05rem;
  line-height: 1.55;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.name-field {
  display: grid;
  gap: 0.4rem;
  margin-top: 1rem;
}

.name-field span {
  color: #9fdcff;
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.name-field input {
  border: 2px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font: inherit;
  font-weight: 800;
  min-height: 2.6rem;
  outline: none;
  padding: 0 1rem;
}

.leaderboard {
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.08);
  margin-top: 1.5rem;
  padding: 0.9rem 1rem;
}

.leaderboard h2 {
  color: #9fdcff;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  margin: 0 0 0.6rem;
  text-transform: uppercase;
}

.leaderboard ol {
  margin: 0;
  padding-left: 1.2rem;
}

.leaderboard li {
  margin: 0.35rem 0;
}

.game-card {
  padding: 0.75rem;
}

.topbar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.topbar div {
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.65rem 0.8rem;
}

.topbar span {
  display: block;
  color: #9fdcff;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

canvas {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  border-radius: 1rem;
  background: #86d9ff;
  image-rendering: crisp-edges;
  touch-action: none;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
  color: #d9eaff;
  font-size: 0.9rem;
}

.controls span {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.35rem 0.7rem;
}

.mobile-controls {
  display: none;
  gap: 1rem;
  grid-template-columns: 1fr 1fr;
  margin-top: 0.75rem;
}

.touch-cluster {
  display: grid;
  gap: 0.55rem;
  grid-template-columns: 1fr 1fr;
}

.touch-button {
  box-shadow: 0 5px 0 #227a37;
  background: #76ff7a;
  color: #102414;
  min-height: 3rem;
  padding: 0 0.6rem;
}

@media (max-width: 900px) {
  .shell {
    grid-template-columns: 1fr;
    align-content: start;
  }

  .topbar {
    grid-template-columns: repeat(3, 1fr);
  }

  .intro {
    padding: 1.1rem;
  }

  h1 {
    max-width: 12ch;
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 0.75rem, 1220px);
    padding-top: 0.4rem;
  }

  .topbar {
    grid-template-columns: repeat(2, 1fr);
  }

  .controls {
    font-size: 0.78rem;
  }

  .mobile-controls {
    display: grid;
    position: sticky;
    bottom: 0.5rem;
    z-index: 3;
  }

  .touch-button {
    min-height: 3.5rem;
  }
}